Table 3 Summary of results from the FluSight influenza forecast challenges*

Number of participating teams

9

5

11

21

22

Number of submitted forecasts^†

13

7

14

28

29

Season onset top skill

N/A**

0.41

0.18

0.78

0.69

Peak week top skill

N/A

0.49

0.20

0.49

0.50

Peak intensity top skill

N/A

0.17

0.66

0.36

0.26

1-week ahead top skill

N/A

0.43

0.89

0.60

0.54

2-weeks ahead top skill

N/A

0.36

0.76

0.46

0.37

3-weeks ahead top skill

N/A

0.37

0.66

0.41

0.29

4-weeks ahead top skill

N/A

0.35

0.58

0.38

0.26

Overall top performing team

Columbia University

Delphi group, Carnegie Mellon University

Delphi group, Carnegie Mellon University

Delphi group, Carnegie Mellon University

Delphi group, Carnegie Mellon University